His straight-to-the point verdict comes at the end of a bad week when Arsenal and Manchester City both lost Champions League matches to Bayern Munich and Barcelona respectively.

In Germany and Spain the top clubs enjoy a mid-winter break while in England clubs carry on regardless – with Arsenal’s German ace Mesut Ozil looking KNACKERED in recent weeks.

Mueller, one of the Bayern scorers against Arsenal and a close friend of Ozil, said: “It’s not easy for Mesut because you have to play so many games – I don’t know how many games he has played for Arsenal without having a break.